Pebble Time Round vs. Polar M400 vs. Fitbit Ionic vs. Polar Loop vs. Fitbit Sense 2

 
Time Round
M400
Ionic
Loop
Sense 2
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowFitbitIonicRemove Buy NowPolarLoopRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$200$299$100$300
Release20152014201720132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 hours to 30 days4+ days5 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a348x250NA336x336
Sizeroundn/a1.42NA1.59 inches
Touch
Typee-papern/aOLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATM50m2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aFitbit OSNA
Apps
Music

All Wearables